Jon asked the following: What is the meant by "Give the exact answer to:
Thanks for this, Jon! The answer is likely to be "in fraction form". Do 9 ÷ 7 on a calculator and you get 1·2857142857... which is a recurring decimal. So we could write . But this isn't really what it means. Similarly, 1.7 ÷ 0·3 = 5·666666666666... which is . What the question really wants is a fractional form: Firstly, ^{9}/_{7} is a topheavy fraction, so we can write it instead as 1 ^{2}/_{7}. Secondly, ^{1·7}/_{0·3} isn't a valid fraction, so we find an equivalent fraction by multiplying top and bottom by 10: ^{17}/_{3} = 5 ^{2}/_{3} These are "exact answers". I hope this helps!
